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Cheap flights from Nashville to Idaho from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Nashville to Idaho departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Nashville to Idaho

Cheap round-trip flights

Spirit Airlines Logo
8:42 pm - 8:31 pmBNA-BOI
24h 49m1 stop
Spirit Airlines Logo
9:26 pm - 2:31 pmBOI-BNA
16h 05m1 stop
$237Spirit Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
Frontier Logo
6:15 am - 11:37 amBNA-BOI
6h 22m1 stop
Frontier Logo
12:22 pm - 8:43 pmBOI-BNA
7h 21m1 stop
$255Frontier
Find Deal
Thu, Sep 11 - Sun, Sep 14
Delta Logo
7:00 am - 1:03 pmBNA-GEG
8h 03m1 stop
Delta Logo
3:05 pm - 12:01 amGEG-BNA
6h 56m1 stop
$259Delta
Find Deal
Tue, Dec 2 - Thu, Dec 4
Delta Logo
7:35 am - 3:40 pmBNA-BOI
9h 05m1 stop
Delta Logo
11:41 am - 9:57 pmBOI-BNA
9h 16m2 stops
$262Delta
Find Deal
Wed, Oct 1 - Tue, Oct 7
Southwest Logo
5:10 am - 10:15 amBNA-BOI
6h 05m1 stop
Southwest Logo
1:40 pm - 12:35 amBOI-BNA
9h 55m1 stop
$264Southwest
Find Deal
Mon, Nov 3 - Thu, Nov 6
American Airlines Logo
5:35 am - 12:20 pmBNA-GEG
8h 45m1 stop
American Airlines Logo
1:12 pm - 10:20 pmGEG-BNA
7h 08m1 stop
$299American Airlines
Find Deal
Tue, Oct 14 - Wed, Oct 22
American Airlines Logo
5:00 am - 1:17 pmBNA-BOI
9h 17m2 stops
American Airlines Logo
1:57 pm - 11:04 pmBOI-BNA
8h 07m2 stops
$301American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
Southwest Logo
5:10 am - 10:15 amBNA-BOI
6h 05m1 stop
Southwest Logo
7:05 am - 11:25 pmBOI-BNA
15h 20m2 stops
$322Southwest
Find Deal
Mon, Nov 3 - Thu, Nov 6
United Airlines Logo
10:48 am - 10:21 pmBNA-BOI
12h 33m2 stops
United Airlines Logo
7:09 pm - 8:57 amBOI-BNA
12h 48m2 stops
$357United Airlines
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Sat, Aug 23 - Mon, Aug 25
United Airlines Logo
8:00 am - 1:17 pmBNA-JAC
6h 17m1 stop
United Airlines Logo
2:40 pm - 9:33 pmJAC-BNA
5h 53m1 stop
$365United Airlines
Find Deal
Wed, Nov 12 - Thu, Nov 20

Spirit Airlines flights from Nashville to Idaho

Our best Spirit Airlines deals on Nashville to Idaho flight tickets
Spirit Airlines
Sep 18
BNA8:42 pmNashville Intl
24h 49m
1 stop
BOI8:31 pmBoise Air Term. Gowen Fld
Sep 22
BOI9:26 pmBoise Air Term. Gowen Fld
16h 05m
1 stop
BNA2:31 pmNashville Intl
$237
Find similar
Spirit Airlines
Sep 11
BNA6:17 pmNashville Intl
27h 14m
2 stops
BOI8:31 pmBoise Air Term. Gowen Fld
Sep 14
BOI2:16 pmBoise Air Term. Gowen Fld
21h 13m
3 stops
BNA12:29 pmNashville Intl
$342
Find similar
Spirit Airlines
Sep 11
BNA3:50 pmNashville Intl
29h 41m
3 stops
BOI8:31 pmBoise Air Term. Gowen Fld
Sep 14
BOI2:16 pmBoise Air Term. Gowen Fld
21h 13m
3 stops
BNA12:29 pmNashville Intl
$377
Find similar

Frontier flights from Nashville to Idaho

Our best Frontier deals on Nashville to Idaho flight tickets
Frontier
Sep 11
BNA6:15 amNashville Intl
6h 22m
1 stop
BOI11:37 amBoise Air Term. Gowen Fld
Sep 14
BOI12:22 pmBoise Air Term. Gowen Fld
7h 21m
1 stop
BNA8:43 pmNashville Intl
$255
Find similar
Frontier
Oct 16
BNA6:12 amNashville Intl
6h 41m
1 stop
BOI11:53 amBoise Air Term. Gowen Fld
Oct 19
BOI12:48 pmBoise Air Term. Gowen Fld
11h 04m
1 stop
BNA12:52 amNashville Intl
$258
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Nashville to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 3, 2025.
Use the filters below to find and compare flights from Nashville to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 9/18

8:42 pm-8:31 pm

1 stop24h 49m

Boise Air Term. Gowen Fld

Mon 9/22

9:26 pm-2:31 pm

1 stop16h 05m

$237

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 9/11

6:15 am-11:37 am

1 stop6h 22m

Boise Air Term. Gowen Fld

Sun 9/14

12:22 pm-8:43 pm

1 stop7h 21m

$255

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Tue 12/2

7:00 am-1:03 pm

1 stop8h 03m

Spokane

Thu 12/4

3:05 pm-12:01 am

1 stop6h 56m

$259

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 10/1

7:35 am-3:40 pm

1 stop9h 05m

Boise Air Term. Gowen Fld

Tue 10/7

11:41 am-9:57 pm

2 stops9h 16m

$262

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Mon 11/3

5:10 am-10:15 am

1 stop6h 05m

Boise Air Term. Gowen Fld

Thu 11/6

1:40 pm-12:35 am

1 stop9h 55m

$264

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Tue 10/14

5:35 am-12:20 pm

1 stop8h 45m

Spokane

Wed 10/22

1:12 pm-10:20 pm

1 stop7h 08m

$299

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 9/17

5:00 am-1:17 pm

2 stops9h 17m

Boise Air Term. Gowen Fld

Wed 9/24

1:57 pm-11:04 pm

2 stops8h 07m

$301

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Mon 11/3

5:10 am-10:15 am

1 stop6h 05m

Boise Air Term. Gowen Fld

Thu 11/6

7:05 am-11:25 pm

2 stops15h 20m

$322

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Sat 8/23

10:48 am-10:21 pm

2 stops12h 33m

Boise Air Term. Gowen Fld

Mon 8/25

7:09 pm-8:57 am

2 stops12h 48m

$357

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

Wed 11/12

8:00 am-1:17 pm

1 stop6h 17m

Jackson Hole

Thu 11/20

2:40 pm-9:33 pm

1 stop5h 53m

$365

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

How to get the cheapest flight ticket from Nashville to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Idaho?

In general, August is the cheapest month to fly from Nashville to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $314. If you don’t want to visit Idaho in August, then you should wait until November to fly from Nashville, when ticket prices are also cheap, with an average price of $345.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Tuesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $360. On the other hand, Sunday is the most expensive day to depart from Nashville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $537.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is in the afternoon. momondo users have found flights departing from Nashville to Idaho in the afternoon for as low as $381. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $547 per ticket.

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $397 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Nashville for as low as $296 on momondo.

Can stopping save me money on Nashville to Idaho flights?

You could potentially save up to 87% on your flight if you consider stops on a Nashville to Idaho flight.

Cheap Nashville to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Nashville to Idaho

Best Price Found

$128

Fastest flight time

5h 16m

Direct flights

None

Airports in Idaho

6 airports
The best one-way flight to Idaho from Nashville in the past 72 hours is $128. The best round-trip flight deal from Nashville to Idaho found on momondo in the last 72 hours is $237.
The fastest flight from Nashville to Idaho takes 5h 16m
There are no direct flights from Nashville to Idaho. Popular non-direct routes for this connection are Nashville Intl Airport - Boise Air Term. Gowen Fld Airport, Nashville Intl Airport - Jackson Hole Airport and Nashville Intl Airport - Spokane Airport.
There are 6 airports near Idaho: West Yellowstone (WYS), Idaho Falls Fanning Field (IDA), Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Jackson Hole (JAC), Hailey Sun Valley-Friedman (SUN)
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  • When did momondo last update prices for flights from Nashville Intl Airport to Idaho?

    Prices for flights from Nashville Intl Airport to Idaho were last updated today.

  • How many operators does momondo search for flights from Nashville Intl Airport to Idaho?

  • How old do you have to be to fly from Nashville Intl Airport to Idaho?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Nashville to Idaho

Compare and see reviews for airlines that fly from Nashville to Idaho with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $163Free CancellationRating
6.3
8,058 reviews
Search Spirit Airlines flights
DeltaPriceFrom $193Free CancellationRating
8.0
7,985 reviews
Search Delta flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $237Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
8,905 reviews
Search United Airlines flights
SouthwestPriceFrom $339Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Nashville to Idaho?

Finding the right flight to Idaho from Nashville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

Can I find flights from Nashville to Idaho with flexible booking policies on momondo?

Yes. All flights to Idaho from Nashville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Nashville to Idaho?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Nashville.

I’m not ready to book a flight from Nashville to Idaho right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Idaho from Nashville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Idaho trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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